CA1316313C - Surface-hydrophilic, highly selective semipermeable membrane - Google Patents
Surface-hydrophilic, highly selective semipermeable membraneInfo
- Publication number
- CA1316313C CA1316313C CA000599144A CA599144A CA1316313C CA 1316313 C CA1316313 C CA 1316313C CA 000599144 A CA000599144 A CA 000599144A CA 599144 A CA599144 A CA 599144A CA 1316313 C CA1316313 C CA 1316313C
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- semipermeable membrane
- treated
- hydrophilic
- semipermeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 387
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims abstract description 32
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 230000007935 neutral effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 107
- 239000012510 hollow fiber Substances 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 40
- 125000003118 aryl group Chemical group 0.000 claims description 37
- 150000002118 epoxides Chemical class 0.000 claims description 29
- 229920002492 poly(sulfone) Polymers 0.000 claims description 28
- 239000003054 catalyst Substances 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims description 13
- 229920001223 polyethylene glycol Polymers 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 239000004697 Polyetherimide Substances 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 229920001601 polyetherimide Polymers 0.000 claims description 10
- 238000005727 Friedel-Crafts reaction Methods 0.000 claims description 8
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 8
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 125000005843 halogen group Chemical group 0.000 claims description 5
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 239000004962 Polyamide-imide Substances 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 4
- 229920002312 polyamide-imide Polymers 0.000 claims description 4
- 229920001230 polyarylate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 229920006393 polyether sulfone Polymers 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 4
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 3
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 claims description 2
- SEFYJVFBMNOLBK-UHFFFAOYSA-N 2-[2-[2-(oxiran-2-ylmethoxy)ethoxy]ethoxymethyl]oxirane Chemical compound C1OC1COCCOCCOCC1CO1 SEFYJVFBMNOLBK-UHFFFAOYSA-N 0.000 claims description 2
- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 claims description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims 1
- 229940113165 trimethylolpropane Drugs 0.000 claims 1
- 210000004379 membrane Anatomy 0.000 abstract description 329
- 239000000126 substance Substances 0.000 abstract description 40
- 239000003960 organic solvent Substances 0.000 abstract description 11
- 238000001471 micro-filtration Methods 0.000 abstract description 3
- 238000001223 reverse osmosis Methods 0.000 abstract description 3
- 238000000108 ultra-filtration Methods 0.000 abstract description 3
- 238000000502 dialysis Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 41
- 230000035699 permeability Effects 0.000 description 38
- 239000000203 mixture Substances 0.000 description 35
- 229920002307 Dextran Polymers 0.000 description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 25
- 238000004381 surface treatment Methods 0.000 description 23
- 238000012360 testing method Methods 0.000 description 17
- 238000007654 immersion Methods 0.000 description 14
- 239000011148 porous material Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 8
- 238000004611 spectroscopical analysis Methods 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 229920006351 engineering plastic Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- -1 hydroxylmethylene group Chemical group 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229940113088 dimethylacetamide Drugs 0.000 description 3
- 125000001033 ether group Chemical group 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000002356 skeleton Anatomy 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229960001506 brilliant green Drugs 0.000 description 2
- HXCILVUBKWANLN-UHFFFAOYSA-N brilliant green cation Chemical compound C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 HXCILVUBKWANLN-UHFFFAOYSA-N 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 238000005371 permeation separation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 241000256844 Apis mellifera Species 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 206010043268 Tension Diseases 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 229920004747 ULTEM® 1000 Polymers 0.000 description 1
- 239000000370 acceptor Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006326 desulfonation Effects 0.000 description 1
- 238000005869 desulfonation reaction Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229960004592 isopropanol Drugs 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229940116591 skeleton diagnostic radiopharmaceuticals Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transplantation (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63111571A JPH01284303A (ja) | 1988-05-10 | 1988-05-10 | 表面親水化高選択性透過膜とその製造方法 |
| JP63-111571 | 1988-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1316313C true CA1316313C (en) | 1993-04-20 |
Family
ID=14564751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000599144A Expired - Fee Related CA1316313C (en) | 1988-05-10 | 1989-05-09 | Surface-hydrophilic, highly selective semipermeable membrane |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4948508A (cg-RX-API-DMAC10.html) |
| JP (1) | JPH01284303A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1316313C (cg-RX-API-DMAC10.html) |
| DE (1) | DE3915348A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2631247B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB2218424B (cg-RX-API-DMAC10.html) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4308807A1 (de) * | 1993-03-19 | 1994-09-22 | Gambro Dialysatoren | Verfahren zur Herstellung hydrophiler Membranen |
| US5543465A (en) * | 1993-03-19 | 1996-08-06 | Gambro Dialysatoren Gmbh & Co. | Process for the production of hydrophilic membranes |
| JPH07238181A (ja) * | 1994-01-21 | 1995-09-12 | Minnesota Mining & Mfg Co <3M> | 親水化多孔性物品 |
| US5700902A (en) * | 1995-07-27 | 1997-12-23 | Circe Biomedical, Inc. | Block copolymers |
| US5608164A (en) * | 1995-07-27 | 1997-03-04 | The Babcock & Wilcox Company | Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers |
| US5798437A (en) * | 1996-07-29 | 1998-08-25 | Circe Biomedical, Inc. | Thermoplastic block copolymers |
| US20020114906A1 (en) * | 2000-11-20 | 2002-08-22 | Bridgestone Corporation | Base body for photosensitive drum and photosensitive drum using the same |
| US6830671B2 (en) | 2001-06-29 | 2004-12-14 | Tokuyama Corporation | Ion-exchange membrane |
| WO2007018284A1 (ja) * | 2005-08-09 | 2007-02-15 | Asahi Kasei Kabushiki Kaisha | 親水化剤によって親水化された芳香族エーテル系高分子からなる液体処理分離膜 |
| US20110049048A1 (en) * | 2009-09-03 | 2011-03-03 | General Electric Company | Water purification system |
| EP2554564A1 (de) * | 2011-08-05 | 2013-02-06 | Basf Se | Verfahren zur Herstellung eines Blockcopolymers |
| US8952109B2 (en) * | 2011-08-05 | 2015-02-10 | Basf Se | Process for preparing a block copolymer |
| CN106471087B (zh) | 2014-03-12 | 2020-07-07 | 艾伦塔斯Pdg有限公司 | 用于反渗透组件的聚氨酯粘合剂 |
| US9328206B2 (en) | 2014-05-30 | 2016-05-03 | Pall Corporation | Self-assembling polymers—III |
| US9593217B2 (en) | 2014-05-30 | 2017-03-14 | Pall Corporation | Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (Va) |
| US9592476B2 (en) | 2014-05-30 | 2017-03-14 | Pall Corporation | Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (IIb) |
| US9593219B2 (en) | 2014-05-30 | 2017-03-14 | Pall Corporation | Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (IIa) |
| US9169361B1 (en) | 2014-05-30 | 2015-10-27 | Pall Corporation | Self-assembling polymers—VI |
| US9193835B1 (en) | 2014-05-30 | 2015-11-24 | Pall Corporation | Self-assembling polymers—IV |
| US9469733B2 (en) | 2014-05-30 | 2016-10-18 | Pall Corporation | Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IVa) |
| US9604181B2 (en) | 2014-05-30 | 2017-03-28 | Pall Corporation | Membrane comprising self-assembled block copolymer and process for producing the same by spray coating (IIc) |
| US9592477B2 (en) | 2014-05-30 | 2017-03-14 | Pall Corporation | Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (Ib) |
| US9765171B2 (en) | 2014-05-30 | 2017-09-19 | Pall Corporation | Self-assembling polymers—V |
| US9616395B2 (en) | 2014-05-30 | 2017-04-11 | Pall Corportaion | Membrane comprising self-assembled block copolymer and process for producing the same by spray coating (Ic) |
| US9163122B1 (en) | 2014-05-30 | 2015-10-20 | Pall Corporation | Self-assembling polymers—II |
| US9598543B2 (en) | 2014-05-30 | 2017-03-21 | Pall Corporation | Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (VIa) |
| US9162189B1 (en) | 2014-05-30 | 2015-10-20 | Pall Corporation | Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (Ia) |
| US9441078B2 (en) | 2014-05-30 | 2016-09-13 | Pall Corporation | Self-assembling polymers—I |
| US9593218B2 (en) | 2014-05-30 | 2017-03-14 | Pall Corporation | Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IIIa) |
| US9962662B2 (en) | 2014-06-30 | 2018-05-08 | Pall Corporation | Fluorinated polymer and use thereof in the preparation of hydrophilic membranes (vi) |
| US9394407B2 (en) | 2014-06-30 | 2016-07-19 | Pall Corporation | Hydrophilic block copolymers and membranes prepared therefrom (I) |
| US9254466B2 (en) | 2014-06-30 | 2016-02-09 | Pall Corporation | Crosslinked cellulosic membranes |
| US9260569B2 (en) | 2014-06-30 | 2016-02-16 | Pall Corporation | Hydrophilic block copolymers and method of preparation thereof (III) |
| US9718924B2 (en) | 2014-06-30 | 2017-08-01 | Pall Corporation | Hydrophilic block copolymers and membranes prepared therefrom (II) |
| US9309367B2 (en) | 2014-06-30 | 2016-04-12 | Pall Corporation | Membranes comprising cellulosic material and hydrophilic block copolymer (V) |
| US9303133B2 (en) | 2014-06-30 | 2016-04-05 | Pall Corporation | Hydrophilic membranes and method of preparation thereof (IV) |
| KR102478434B1 (ko) | 2015-04-09 | 2022-12-15 | 엘란타스 피디쥐, 인코포레이티드. | 역삼투 모듈용 폴리우레탄 접착제 |
| JP6913313B2 (ja) * | 2016-05-31 | 2021-08-04 | 三菱重工業株式会社 | 樹脂材料層の表面処理方法及び樹脂材料 |
| CN112378723A (zh) * | 2020-11-19 | 2021-02-19 | 深圳市易瑞生物技术股份有限公司 | 一种用于分离和浓缩目标物的样品垫及其用途 |
| CN118105855A (zh) * | 2024-03-07 | 2024-05-31 | 阿克菲姆膜材(嘉兴)有限公司 | 亲水改性的聚醚砜中空纤维超滤膜及其制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957651A (en) * | 1971-12-16 | 1976-05-18 | Chemical Systems Incorporated | Microporous polyester membranes and polymer assisted phase inversion process for their manufacture |
| US3966580A (en) * | 1974-09-16 | 1976-06-29 | The University Of Utah | Novel protein-immobilizing hydrophobic polymeric membrane, process for producing same and apparatus employing same |
| DE3337763A1 (de) * | 1983-10-18 | 1985-05-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Verfahren und vorrichtung zur oberflaechenmodifizierung der poreninnenwaende von membranen |
| US4839203A (en) * | 1985-04-03 | 1989-06-13 | The Dow Chemical Company | Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups |
| JPS62269704A (ja) * | 1986-05-16 | 1987-11-24 | Asahi Chem Ind Co Ltd | 表面親水化高選択性透過膜とその製造方法 |
| JPH07121345B2 (ja) * | 1986-06-20 | 1995-12-25 | 旭化成工業株式会社 | 非吸着性親水性半透膜およびその製造方法 |
| DK169616B1 (da) * | 1986-08-27 | 1994-12-27 | Dow Danmark | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| US4704321A (en) * | 1986-11-05 | 1987-11-03 | E. I. Du Pont De Nemours And Company | Stitched polyethylene plexifilamentary sheet |
| JPS63162004A (ja) * | 1986-12-25 | 1988-07-05 | Sumitomo Bakelite Co Ltd | 選択性透過膜のクロルメチル化方法 |
-
1988
- 1988-05-10 JP JP63111571A patent/JPH01284303A/ja active Pending
-
1989
- 1989-04-21 US US07/341,217 patent/US4948508A/en not_active Expired - Fee Related
- 1989-04-24 GB GB8909307A patent/GB2218424B/en not_active Expired - Lifetime
- 1989-05-05 FR FR898905975A patent/FR2631247B1/fr not_active Expired - Lifetime
- 1989-05-09 CA CA000599144A patent/CA1316313C/en not_active Expired - Fee Related
- 1989-05-10 DE DE3915348A patent/DE3915348A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3915348A1 (de) | 1989-11-23 |
| GB8909307D0 (en) | 1989-06-07 |
| DE3915348C2 (cg-RX-API-DMAC10.html) | 1992-05-14 |
| US4948508A (en) | 1990-08-14 |
| FR2631247B1 (fr) | 1992-01-24 |
| FR2631247A1 (fr) | 1989-11-17 |
| GB2218424B (en) | 1992-01-08 |
| JPH01284303A (ja) | 1989-11-15 |
| GB2218424A (en) | 1989-11-15 |
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